Improved compatibility with the gcc extensions.

src/plugins/cpptools/cppmodelmanager.cpp

@@ -150,6 +150,8 @@ static const char pp_configuration[] =
     "#define __imag__\n"
     "#define __real__\n"
 
+    "#define __builtin_va_arg(a,b) ((b)0)\n"
+
     // ### add macros for win32
     "#define __cdecl\n"
     "#define QT_WA(x) x\n"

src/shared/cplusplus/AST.cpp

@@ -570,6 +570,8 @@ unsigned DeclarationListAST::lastToken() const
 
 unsigned DeclaratorAST::firstToken() const
 {
+    if (attributes)
+        return attributes->firstToken();
     if (ptr_operators)
         return ptr_operators->firstToken();
     else if (core_declarator)
@@ -589,7 +591,7 @@ unsigned DeclaratorAST::lastToken() const
     if (initializer)
         return initializer->lastToken();
 
-    for (SpecifierAST *it = attributes; it; it = it->next) {
+    for (SpecifierAST *it = post_attributes; it; it = it->next) {
         if (! it->next)
             return it->lastToken();
     }
@@ -607,6 +609,11 @@ unsigned DeclaratorAST::lastToken() const
             return it->lastToken();
     }
 
+    for (SpecifierAST *it = attributes; it; it = it->next) {
+        if (! it->next)
+            return it->lastToken();
+    }
+
     // ### assert?
     return 0;
 }

src/shared/cplusplus/AST.h

@@ -371,10 +371,11 @@ public:
 class CPLUSPLUS_EXPORT DeclaratorAST: public AST
 {
 public:
+    SpecifierAST *attributes;
     PtrOperatorAST *ptr_operators;
     CoreDeclaratorAST *core_declarator;
     PostfixDeclaratorAST *postfix_declarators;
-    SpecifierAST *attributes;
+    SpecifierAST *post_attributes;
     unsigned equals_token;
     ExpressionAST *initializer;
 

src/shared/cplusplus/ASTClone.cpp

@@ -97,10 +97,11 @@ DeclaratorAST *DeclaratorAST::clone(MemoryPool *pool) const
 {
     DeclaratorAST *ast = new (pool) DeclaratorAST;
     // copy DeclaratorAST
+    if (attributes) ast->attributes = attributes->clone(pool);
     if (ptr_operators) ast->ptr_operators = ptr_operators->clone(pool);
     if (core_declarator) ast->core_declarator = core_declarator->clone(pool);
     if (postfix_declarators) ast->postfix_declarators = postfix_declarators->clone(pool);
-    if (attributes) ast->attributes = attributes->clone(pool);
+    if (post_attributes) ast->post_attributes = post_attributes->clone(pool);
     ast->equals_token = equals_token;
     if (initializer) ast->initializer = initializer->clone(pool);
     return ast;

src/shared/cplusplus/ASTVisit.cpp

@@ -85,12 +85,14 @@ void DeclaratorAST::accept0(ASTVisitor *visitor)
 {
     if (visitor->visit(this)) {
         // visit DeclaratorAST
+        for (SpecifierAST *it = attributes; it; it = it->next)
+            accept(it, visitor);
         for (PtrOperatorAST *it = ptr_operators; it; it = it->next)
             accept(it, visitor);
         accept(core_declarator, visitor);
         for (PostfixDeclaratorAST *it = postfix_declarators; it; it = it->next)
             accept(it, visitor);
-        for (SpecifierAST *it = attributes; it; it = it->next)
+        for (SpecifierAST *it = post_attributes; it; it = it->next)
             accept(it, visitor);
         accept(initializer, visitor);
     }

src/shared/cplusplus/Parser.cpp

@@ -671,6 +671,9 @@ bool Parser::parseAsmDefinition(DeclarationAST *&node)
 
 bool Parser::parseAsmOperandList()
 {
+    if (LA() != T_STRING_LITERAL)
+        return true;
+
     if (parseAsmOperand()) {
         while (LA() == T_COMMA) {
             consumeToken();
@@ -678,6 +681,7 @@ bool Parser::parseAsmOperandList()
         }
         return true;
     }
+
     return false;
 }
 
@@ -949,6 +953,14 @@ bool Parser::parseDeclaratorOrAbstractDeclarator(DeclaratorAST *&node)
 
 bool Parser::parseCoreDeclarator(DeclaratorAST *&node)
 {
+    unsigned start = cursor();
+    SpecifierAST *attributes = 0;
+    SpecifierAST **attribute_ptr = &attributes;
+    while (LA() == T___ATTRIBUTE__) {
+        parseAttributeSpecifier(*attribute_ptr);
+        attribute_ptr = &(*attribute_ptr)->next;
+    }
+
     PtrOperatorAST *ptr_operators = 0, **ptr_operators_tail = &ptr_operators;
     while (parsePtrOperator(*ptr_operators_tail))
         ptr_operators_tail = &(*ptr_operators_tail)->next;
@@ -960,12 +972,16 @@ bool Parser::parseCoreDeclarator(DeclaratorAST *&node)
             DeclaratorIdAST *declarator_id = new (_pool) DeclaratorIdAST;
             declarator_id->name = name;
             DeclaratorAST *ast = new (_pool) DeclaratorAST;
+            ast->attributes = attributes;
             ast->ptr_operators = ptr_operators;
             ast->core_declarator = declarator_id;
             node = ast;
             return true;
         }
     } else if (LA() == T_LPAREN) {
+        if (attributes)
+            _translationUnit->warning(attributes->firstToken(), "unexpected attribtues");
+
         unsigned lparen_token = consumeToken();
         DeclaratorAST *declarator = 0;
         if (parseDeclarator(declarator) && LA() == T_RPAREN) {
@@ -980,6 +996,7 @@ bool Parser::parseCoreDeclarator(DeclaratorAST *&node)
             return true;
         }
     }
+    rewind(start);
     return false;
 }
 
@@ -1060,7 +1077,7 @@ bool Parser::parseDeclarator(DeclaratorAST *&node, bool stopAtCppInitializer)
             break;
     }
 
-    SpecifierAST **spec_ptr = &node->attributes;
+    SpecifierAST **spec_ptr = &node->post_attributes;
     while (LA() == T___ATTRIBUTE__) {
         parseAttributeSpecifier(*spec_ptr);
         spec_ptr = &(*spec_ptr)->next;

tests/manual/cplusplus/conf.c++

@@ -6,3 +6,6 @@
 #define   restrict
 #define __restrict
 #define __weak
+#define __builtin_va_arg(a,b) ((b)0)
+#define __stdcall
+#define __fastcall